>> i prefer to park and uh let my legs do the work, you know what i mean? >> reporter: today, tony is lucky to have the help of angel tirado, a seasonal worker. so, it's angel who delivers dozens of heavy boxes to a garment warehouse. meanwhile, tony minds the truck and gets ready for the next delivery, offering up some tips of the trade: like the importance of making friends in the buildings. >> at least once a week, every one of my freight guys, they're going to get a coffee from me. once in a while, you know, i'll go get like a couple of sandwiches. i mean, they make my life a whole lot easier. i want them liking me! >> reporter: after a while, i persuade tony to let me deliver two packages to a building across the street. that means, i'm also responsible for the diad-- the electronic clipboard tracking all the packages. i have two packages for you. >> great.